LXR linux/include/linux/of

   1#ifndef __OF_PCI_H
   2#define __OF_PCI_H
   3
   4#include <linux/pci.h>
   5#include <linux/msi.h>
   6
   7struct pci_dev;
   8struct of_phandle_args;
   9struct device_node;
  10
  11#ifdef CONFIG_OF_PCI
  12int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq);
  13struct device_node *of_pci_find_child_device(struct device_node *parent,
  14                                             unsigned int devfn);
  15int of_pci_get_devfn(struct device_node *np);
  16int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin);
  17int of_pci_parse_bus_range(struct device_node *node, struct resource *res);
  18int of_get_pci_domain_nr(struct device_node *node);
  19void of_pci_check_probe_only(void);
  20int of_pci_map_rid(struct device_node *np, u32 rid,
  21                   const char *map_name, const char *map_mask_name,
  22                   struct device_node **target, u32 *id_out);
  23#else
  24static inline int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq)
  25{
  26        return 0;
  27}
  28
  29static inline struct device_node *of_pci_find_child_device(struct device_node *parent,
  30                                             unsigned int devfn)
  31{
  32        return NULL;
  33}
  34
  35static inline int of_pci_get_devfn(struct device_node *np)
  36{
  37        return -EINVAL;
  38}
  39
  40static inline int
  41of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
  42{
  43        return 0;
  44}
  45
  46static inline int
  47of_pci_parse_bus_range(struct device_node *node, struct resource *res)
  48{
  49        return -EINVAL;
  50}
  51
  52static inline int
  53of_get_pci_domain_nr(struct device_node *node)
  54{
  55        return -1;
  56}
  57
  58static inline int of_pci_map_rid(struct device_node *np, u32 rid,
  59                        const char *map_name, const char *map_mask_name,
  60                        struct device_node **target, u32 *id_out)
  61{
  62        return -EINVAL;
  63}
  64
  65static inline void of_pci_check_probe_only(void) { }
  66#endif
  67
  68#if defined(CONFIG_OF_ADDRESS)
  69int of_pci_get_host_bridge_resources(struct device_node *dev,
  70                        unsigned char busno, unsigned char bus_max,
  71                        struct list_head *resources, resource_size_t *io_base);
  72#else
  73static inline int of_pci_get_host_bridge_resources(struct device_node *dev,
  74                        unsigned char busno, unsigned char bus_max,
  75                        struct list_head *resources, resource_size_t *io_base)
  76{
  77        return -EINVAL;
  78}
  79#endif
  80
  81#if defined(CONFIG_OF) && defined(CONFIG_PCI_MSI)
  82int of_pci_msi_chip_add(struct msi_controller *chip);
  83void of_pci_msi_chip_remove(struct msi_controller *chip);
  84struct msi_controller *of_pci_find_msi_chip_by_node(struct device_node *of_node);
  85#else
  86static inline int of_pci_msi_chip_add(struct msi_controller *chip) { return -EINVAL; }
  87static inline void of_pci_msi_chip_remove(struct msi_controller *chip) { }
  88static inline struct msi_controller *
  89of_pci_find_msi_chip_by_node(struct device_node *of_node) { return NULL; }
  90#endif
  91
  92#endif
  93